MX9305071A - INTERVERTEBRAL DISC PROSTHESIS. - Google Patents
INTERVERTEBRAL DISC PROSTHESIS.Info
- Publication number
- MX9305071A MX9305071A MX9305071A MX9305071A MX9305071A MX 9305071 A MX9305071 A MX 9305071A MX 9305071 A MX9305071 A MX 9305071A MX 9305071 A MX9305071 A MX 9305071A MX 9305071 A MX9305071 A MX 9305071A
- Authority
- MX
- Mexico
- Prior art keywords
- plates
- prosthesis
- patella
- center
- plane
- Prior art date
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/10—Ceramics or glasses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
-
- A—HUMAN NECESSITIES
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
-
- A—HUMAN NECESSITIES
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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-
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30024—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in coefficient of friction
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
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- A61F2002/30182—Other shapes
- A61F2002/30187—D-shaped or half-disc-shaped
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
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- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
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- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00203—Ceramics or ceramic-like structures based on metal oxides containing alumina or aluminium oxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00239—Ceramics or ceramic-like structures based on metal oxides containing zirconia or zirconium oxide ZrO2
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/38—Materials or treatment for tissue regeneration for reconstruction of the spine, vertebrae or intervertebral discs
Abstract
Se describe una prótesis que comprende dos placas (1, 2), fijas a las vértebras correspondientes (L4, L5), y una rótula (3) de articulación de las placas una sobre la otra, su centro de rotación (C), en un plano anteroposterior (OX, OY) está desplazado hacia atrás en la parte posterior de las placas, en un plano transversal (OX, OZ), está situado sensiblemente a mitad de las placas, y en un plano vertical (OY, OZ) está situado sobre la placa (I) de la vertebra inferior (L5); esta prótesis lleva además un anillo intercalar de amortiguamiento (10), de un material flexible, horadado con una abertura 10a) para el paso de al rótula (3) y alojado en el espacio delimitado entre las placas y alrededor de la rótulo. Esta colocación del centro de curvatura (C), evita el forzar las apófisis articulares durante el movimiento de los cuerpos vertebrados, mientras que el anillo flexible (10) adapta la prótesis a la lordosis fisiológica del raquis lumbar y permite el amortiguamiento de las tensiones múltiples durante los movimientos.A prosthesis is described comprising two plates (1, 2), fixed to the corresponding vertebrae (L4, L5), and a patella (3) for articulating the plates one over the other, their center of rotation (C), in an anteroposterior plane (OX, OY) is displaced backwards at the back of the plates, in a transverse plane (OX, OZ), it is located approximately in the middle of the plates, and in a vertical plane (OY, OZ) it is located on the plate (I) of the lower vertebra (L5); This prosthesis also has a cushioning interlayer ring (10), of a flexible material, perforated with an opening 10a) for the passage of the patella (3) and housed in the space delimited between the plates and around the label. This placement of the center of curvature (C), avoids forcing the articular processes during the movement of the vertebral bodies, while the flexible ring (10) adapts the prosthesis to the physiological lordosis of the lumbar spine and allows the damping of multiple stresses during movements.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9210232A FR2694882B1 (en) | 1992-08-24 | 1992-08-24 | Intervertebral disc prosthesis. |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9305071A true MX9305071A (en) | 1994-04-29 |
Family
ID=9432991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9305071A MX9305071A (en) | 1992-08-24 | 1993-08-20 | INTERVERTEBRAL DISC PROSTHESIS. |
Country Status (8)
Country | Link |
---|---|
CN (1) | CN1090485A (en) |
AU (1) | AU4964593A (en) |
FR (1) | FR2694882B1 (en) |
MX (1) | MX9305071A (en) |
TR (1) | TR26927A (en) |
TW (1) | TW280767B (en) |
WO (1) | WO1994004100A1 (en) |
ZA (1) | ZA936156B (en) |
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US4714469A (en) * | 1987-02-26 | 1987-12-22 | Pfizer Hospital Products Group, Inc. | Spinal implant |
CH672589A5 (en) * | 1987-07-09 | 1989-12-15 | Sulzer Ag | |
DE3911610A1 (en) * | 1989-04-08 | 1990-10-18 | Bosch Gmbh Robert | ARTIFICIAL DISC |
US4932975A (en) * | 1989-10-16 | 1990-06-12 | Vanderbilt University | Vertebral prosthesis |
DE8912648U1 (en) * | 1989-10-23 | 1990-11-22 | Mecron Medizinische Produkte Gmbh, 1000 Berlin, De | |
FR2659226B1 (en) * | 1990-03-07 | 1992-05-29 | Jbs Sa | PROSTHESIS FOR INTERVERTEBRAL DISCS AND ITS IMPLEMENTATION INSTRUMENTS. |
-
1992
- 1992-08-24 FR FR9210232A patent/FR2694882B1/en not_active Expired - Fee Related
-
1993
- 1993-08-20 MX MX9305071A patent/MX9305071A/en unknown
- 1993-08-23 ZA ZA936156A patent/ZA936156B/en unknown
- 1993-08-24 CN CN93118231A patent/CN1090485A/en active Pending
- 1993-08-24 WO PCT/FR1993/000825 patent/WO1994004100A1/en active Application Filing
- 1993-08-24 TR TR00730/93A patent/TR26927A/en unknown
- 1993-08-24 AU AU49645/93A patent/AU4964593A/en not_active Abandoned
- 1993-09-17 TW TW082107636A patent/TW280767B/zh active
Also Published As
Publication number | Publication date |
---|---|
TW280767B (en) | 1996-07-11 |
WO1994004100A1 (en) | 1994-03-03 |
CN1090485A (en) | 1994-08-10 |
ZA936156B (en) | 1994-09-19 |
FR2694882A1 (en) | 1994-02-25 |
FR2694882B1 (en) | 1994-10-21 |
TR26927A (en) | 1994-08-24 |
AU4964593A (en) | 1994-03-15 |
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